CTET 2 Math and Science 31 Dec 2021 Paper

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Question : 64 of 150

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Sometimes we get muscle cramps after exercise. It is because

aerobic respiration takes place and alcohol, lactic acid and energy produced
anaerobic respiration takes place and alcohol, CO₂ and energy are produced
aerobic respiration takes place and lactic acid, CO₂ and energy are produced
anaerobic respiration takes place and lactic acid, and energy are produced

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